Remote display tamper detection using data integrity operations
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United States of America Patent
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Aug 30, 2011
Grant Date -
May 22, 2008
app pub date -
Nov 21, 2006
filing date -
Nov 21, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and systems for detecting tampering of a remote display. According to one method, a first data integrity result is generated by performing a first data integrity operation on display data to be displayed on the remote display at a secure module. The display data is transmitted from the secure module to the remote display security module. The remote display security module receives the display data. A second data integrity result is generated by performing the first data integrity operation on the display data received at the remote display security module. A determination is made as to whether the remote display has been tampered with at the secure module if the first data integrity result does not match the second data integrity result.
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